Service manual

UX-340L/UX-345L
UX-330L
[4] Operation panel PWB circuit
6 – 13
1
2 6
4
3
5
BDEFG
I
HCA
1
2 6
4
3
5
BDEFGIHCA
Note: Since the parts of PWB cannot be supplied, change it as a unit.
CNPN-12
CNPN-13 CNPN-14 CNPN-15
SEN0 SEN1 SEN2
SEN3
KEN 1A
CNPN-3
KEN 2A
CNPN-2
KEN 3A
CNPN-1
KEN 4A
CNPN-11
SEN4
CNPN-7
+5V
CNPN-6
DG
CNPN-5
FUNC
RECEPTION
REC
UP
COPY
8 0
2
D1 D2 D3 D4 D5 D6 D7 D8 D9
11 12 13 1 2 3 4 5 10
A0 A1 A2 A3
9 7 6
14
IC1
HC147
CNLCD-4 CNLCD-6 CNLCD-3 CNLCD-2 CNLCD-1
C2
22/50
C1
2200P
CNLCD-11
LD4
CNPN-4
CNLCD
GND1
2 3 4 5 6 7 8 9
10 11 12 13 14
+5V VO RS R/W E N.C. N.C. N.C. N.C. LD4 LD5 LD6 LD7
CNPN
KEN4 KEN3 KEN2 KEN1
+5V
DG DG ORGSNS FRSNS E SEN4 SEN0
DOWN
RESOLUTION
PLAY
DELETE
STOP
START
5
9 #
3
6
HOLD
SPEAKER
SPEED
REDAIAL
05 07
01
03
06
OPEN LCR
02
04
7
1
4
D1
1SS270
D2
1SS270
D4
1SS270
D3
1SS270
CNLCD-12
LD5
CNLCD-13
LD6
CNLCD-14
LD7
15
N.C.
+5V
VCC
GND
8 16
R1
6.2K
R2
1K
VO
CNPN-8 CNPN-9
FRSNS
ORGSNS
SEN1 SEN2 SEN3
FRSNS
1 2 3 4 5 6 7 8 9
10 11 12 13 14
15
R8 100K
R7 100K
R9 100K
R5 100K
R4 100K
R3 100K
R10 100K
R6 100K
R11 100K
REPEAT
DG
ORGSNS
DG
CNPN-10
E
DG
CNLCD-5
RS
E
+5V
DG
R/W
N.M. N.M. N.M. N.M.
02 04
03
OPEN LCR
01
(UX-340L)
(UX-345L/330L)